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Cai, Y; Li, HG; Qiu, TT; Piao, YS; Cai, Y (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.
The effective field theory of nonsingular cosmology: II
发表期刊EUROPEAN PHYSICAL JOURNAL C
语种英语
摘要Based on the effective field theory (EFT) of cosmological perturbations, we explicitly clarify the pathology in nonsingular cubic Galileon models and show how to cure it in EFT with new insights into this issue. With the least set of EFT operators that are capable to avoid instabilities in nonsingular cosmologies, we construct a nonsingular model dubbed the Genesis-inflation model, in which a slowly expanding phase (namely, Genesis) with increasing energy density is followed by slow-roll inflation. The spectrum of the primordial perturbation may be simulated numerically, which shows itself a large-scale cutoff, as the large-scale anomalies in CMB might be a hint for.
2017
卷号77期号:6页码:369
学科领域Physics
DOIhttp://dx.doi.org/10.1140/epjc/s10052-017-4938-y
项目资助者NSFC [11575188, 11690021, 11405069, 11653002] ; NSFC [11575188, 11690021, 11405069, 11653002] ; NSFC [11575188, 11690021, 11405069, 11653002] ; NSFC [11575188, 11690021, 11405069, 11653002] ; Strategic Priority Research Program of CAS [XDA04075000, XDB23010100] ; Strategic Priority Research Program of CAS [XDA04075000, XDB23010100] ; Strategic Priority Research Program of CAS [XDA04075000, XDB23010100] ; Strategic Priority Research Program of CAS [XDA04075000, XDB23010100]
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22040
专题理论物理所科研产出_SCI论文
通讯作者Cai, Y (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.
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GB/T 7714
Cai, Y,Li, HG,Qiu, TT,et al. The effective field theory of nonsingular cosmology: II[J]. EUROPEAN PHYSICAL JOURNAL C,2017,77(6):369.
APA Cai, Y,Li, HG,Qiu, TT,Piao, YS,&Cai, Y .(2017).The effective field theory of nonsingular cosmology: II.EUROPEAN PHYSICAL JOURNAL C,77(6),369.
MLA Cai, Y,et al."The effective field theory of nonsingular cosmology: II".EUROPEAN PHYSICAL JOURNAL C 77.6(2017):369.
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